PLC CPU-module Siemens
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General information
Ordercode YESSS
3937-8205 
Product code
6ES72121BE400XB0
EAN code
4047623402725
Product group
PLC CPU-module
Brand
Siemens
Product specifications
Model
Compact
Supply voltage AC 50 Hz
85 - 264 V
Voltage type of supply voltage
AC
Number of HW-interfaces industrial Ethernet
1
Type of memory
RAM
Number of relay outputs
6
Supply voltage AC 60 Hz
85 - 264 V
Processing time (1K, binary operation)
0.08 ms
Number of interfaces PROFINET
1
Number of HW-interfaces RS-232
0
Number of HW-interfaces RS-422
0
Number of HW-interfaces RS-485
0
Number of HW-interfaces USB
0
Number of analogue outputs
0
Number of HW-interfaces parallel
0
Number of analogue inputs
2
Number of HW-interfaces Wireless
0
Number of digital inputs
8
Number of HW-interfaces other
0
Number of digital outputs
6
With optical interface
No
Supporting protocol for TCP/IP
Yes
Supporting protocol for PROFIBUS
Yes
Supporting protocol for CAN
No
Supporting protocol for INTERBUS
No
Supporting protocol for ASI
Yes
Supporting protocol for KNX
No
Supporting protocol for MODBUS
Yes
Supporting protocol for Data-Highway
No
Supporting protocol for DeviceNet
No
Supporting protocol for SUCONET
No
Supporting protocol for LON
No
Supporting protocol for PROFINET IO
Yes
Supporting protocol for PROFINET CBA
No
Supporting protocol for SERCOS
No
Supporting protocol for Foundation Fieldbus
No
Supporting protocol for EtherNet/IP
No
Supporting protocol for AS-Interface Safety at Work
No
Supporting protocol for DeviceNet Safety
No
Supporting protocol for INTERBUS-Safety
No
Supporting protocol for PROFIsafe
No
Supporting protocol for SafetyBUS p
No
Supporting protocol for other bus systems
Yes
Radio standard Bluetooth
No
Radio standard Wi-Fi 802.11
No
IO link master
No
Radio standard GPRS
No
System accessory
Yes
Radio standard GSM
No
Redundancy
No
Radio standard UMTS
No
With display
No
Memory size
100 KByte
Additional program memory possible
No
Rail mounting possible
Yes
Wall mounting/direct mounting
Yes
Front built-in possible
No
Rack-assembly possible
No
Suitable for safety functions
No
Appendant operation agent (Ex ia)
No
Appendant operation agent (Ex ib)
No
Width
90 mm
Height
100 mm
Depth
75 mm
Unterstützt Protokoll für EtherCAT
No
Product information